2(c+10)-9=7

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Solution for 2(c+10)-9=7 equation:


Simplifying
2(c + 10) + -9 = 7

Reorder the terms:
2(10 + c) + -9 = 7
(10 * 2 + c * 2) + -9 = 7
(20 + 2c) + -9 = 7

Reorder the terms:
20 + -9 + 2c = 7

Combine like terms: 20 + -9 = 11
11 + 2c = 7

Solving
11 + 2c = 7

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-11' to each side of the equation.
11 + -11 + 2c = 7 + -11

Combine like terms: 11 + -11 = 0
0 + 2c = 7 + -11
2c = 7 + -11

Combine like terms: 7 + -11 = -4
2c = -4

Divide each side by '2'.
c = -2

Simplifying
c = -2

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